Latest CSC Aptitude Question SOLUTION: The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is: A. 15 B. 16 C. 18 D. 25

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(#M40003734) CSC Numerical Ability question Keep an EYE

The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:

A. 15 B. 16
C. 18 D. 25

Asked In CSC (12 years ago)

Unsolved Read Solution (9)

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Read Solution (9) :

Dr.Dipin Singh  (12 years ago)

If cp of one article is c, then cost of 20 articles = 20c which is equal to selling price of x articles.
CP of x articles = c*x
sp of x articles @ profit of 25% = 1.25 *c*x
Hence 1.25*c*x = 20*c
x= 20/1.25= 20*4/5 = 16

Is this solution Helpfull? Yes (18) | No (3)  

Sanjana Patnaik  (12 years ago)

Answer is 16
Let the CP be x, and hence total cost is 20x
Now the SP as per the condition is 5x/4
Again as per the given condition 5x/4 =20x
Solving we get x=16

Is this solution Helpfull? Yes (9) | No (7)  

Rituraaj das  (11 years ago)

Let the CP be Y.
now the CP of 20 articles is 20Y.
as per question,
=> 20Y=X*120/100*Y. (If an article is sold at a gain of say 35%,
then S.P. = 135% of C.P.)
=> 20=X*120/100. (Y = Y ,cancelled).
=> X=2000/120.
=> X=16.67.
so, answer is B.16

Is this solution Helpfull? Yes (4) | No (4)  

Atul  (12 years ago)

@ Sanjana,

Pls check.
Again as per the given condition 5x/4 =20x
Solving we get x=16

From
5x/4 =20x, how can we get x=16 ?

Is this solution Helpfull? Yes (3) | No (3)  

Atul  (12 years ago)

@ Sanjana,

Pls check.
Again as per the given condition 5x/4 =20x
Solving we get x=16

From
5x/4 =20x, how can we get x=16 ?

Is this solution Helpfull? Yes (1) | No   

Sai Vaishnav  (8 years ago)

let the no.of articles sold = x
then the no.of articles left = 20-x
profit % = (no.of articles remaining / no.of articles sold)*100
25 = [(20-x)/x]*100
x = 16

Is this solution Helpfull? Yes (1) | No   

chakashu  (7 years ago)

let c.p of 20 articles=100
therefore selling price of x articles=100 (as given in the question)
now selling price of 1 article=100/x
therefore selling price of 20 articles=100/x*20
we know that
s.p=(100+profit%)/100*c.p
therefore 100/x*20=125/100*100
=> x=2000/125
=> x=16

Is this solution Helpfull? Yes (1) | No   

Shiv Kumar  (12 years ago)

Answer is A. (75/100)*20

Is this solution Helpfull? Yes | No (2)  

soni kumari  (6 years ago)

a/c to qsn,
c.p*20=s.p*x and profit is 25%=>if c.p=100 then s.p=125.
=>x=(20*c.p)/s.p
=>x=(20*100)/125
x=16

Is this solution Helpfull? Yes | No   

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